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[sumo-user] Segmentation fault when rear-end collision occur
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Dear all,
SUMO gives me segmentation fault (core dump) when the vehicle crashes in the simulation, is this a normal expected behaviour from SUMO? Actually, I am not even sure why the crash happens. I am using SUMO version 0.26.0 that is a part of PLEXE. I am using the following specification for all vehicles:
<vType id="vtypehuman" accel="2.5" decel="6.0" sigma="0.3" tau="1.0" length="4" minGap="2" lcLookaheadLeft="10.00" maxSpeed="33.33" carFollowModel="Krauss" color="0,1,1" probability="1" laneChangeModel="JE2013"></vType>
This is part of my configuration file:
<time>
<begin value="0"/>
<end value="86400"/>
<step-length value="0.01"/>
</time>
<processing>
<collision action="remove"/>
</processing>
My scenario is that there are a flow of vehicles on the highway and another flow coming from "on-ramp", then they are suppose to merge and continue on the highway. I will try to illustrate the road below. The problem is, at some point, when a vehicle from the on-ramp, merge into the main road, after the lane change, it just accelerate and crash into its preceding vehicle. Then, the simulation crash with segmentation fault.
---------------driving direction-------------------->>>>
----------------------------------------------
----------------------------------------------
-------------- -------------- ,--------------
/ ,--------------/
/ /
/ /
Although it did not crash when I use IDM, the IDM gave unwanted behaviour, i.e. it sometimes stop (or slow down significantly) after it perform the lane change.
Please advise.
Best Regards,
Maytheewat Aramrattana
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